Conventional Loan Escrow Rules for the Cushion, Shortage and Surplus

The Quick Read: The cushion is a buffer the servicer may hold in your escrow account, capped at two months of escrow payments. A shortage means the account is below its target balance. A surplus means it is above. A surplus of $50 or more is refunded, and a large shortage is usually spread over at least 12 monthly payments. Whether you have escrow at all is a mix of federal law, agency defaults and lender policy.

The cushion, shortage and surplus drive most of the surprise payment changes on a home loan. This article walks through the whole lifecycle, from the deposit at closing to the annual analysis and the new payment. It also covers where the general rules bend. Everything here is plain-language and subject to lender guidelines and full file review. It is not a commitment to lend.

Key Terms Defined

Escrow account: An account the servicer sets up or controls to pay your property taxes, insurance premiums and similar charges tied to the loan.

Target balance: The balance the servicer projects the account should hold at a given point, including any cushion.

Cushion: An extra reserve the servicer may keep in the account. Federal rules cap it at one-sixth of the year’s estimated disbursements, which equals two months of escrow payments.

Shortage: The amount by which the current balance falls below the target balance at the time of the analysis.

Surplus: The amount by which the current balance exceeds the target balance.

Deficiency: A negative balance in the account. It is a different thing from a shortage and follows its own repayment rules.

Aggregate accounting: The method servicers must use for the annual analysis. It looks at the account as a whole across the year, not item by item.

Who Sets the Rules?

Four layers control your escrow, and they do different jobs.

1. Federal servicing law. Regulation X, section 1024.17 governs the cushion, the annual analysis, shortage and surplus handling. It applies to the servicer.

2. Investor defaults. Fannie Mae and Freddie Mac set when escrow is expected, and when it can be waived.

3. Lender policy. A lender may be stricter than the agency. Across the wholesale programs placed through Lendmire, escrow is a lender decision as much as a borrower preference.

4. State law and your mortgage document. Either can set a lower cushion than the federal maximum.

So “is escrow required?” and “how much can the servicer hold?” are separate questions with separate answers.

When Does a Conventional Loan Require Escrow?

Escrow is the norm on a conventional loan, and waiving it is the exception. Fannie Mae’s Selling Guide says first mortgages generally must provide for escrow deposits for taxes, ground rents, and hazard and flood insurance. It also says escrow for borrower-paid mortgage insurance is mandatory. Fannie Mae advocates escrow, especially for first-time owners and borrowers with blemished credit.

Freddie Mac takes a similar line. It does not require escrow except for borrower-paid monthly mortgage insurance and where law requires it. Its waiver decision has to rest on the borrower’s ability to pay the bills as they come due. Freddie Mac names profiles where it encourages escrow as a best practice: first-time buyers, 2-4 unit properties, manufactured homes, second homes, and borrowers with under six months of reserves.

If you are buying a home and want to see how escrow fits the file, Lendmire’s conventional loan programs are arranged through wholesale lenders, and each lender sets its own waiver policy.

Mortgage insurance is the lever

On a purchase, the wholesale conventional programs go to 97% LTV for a first-time buyer on a fixed-rate one-unit home, and 95% for most other buyers. Anything above 80% LTV carries mortgage insurance. You can request cancellation at 80% of original value with good payment history and no subordinate liens. The servicer must end it automatically at 78%. Because borrower-paid monthly mortgage insurance cannot be waived, a high-leverage purchase will almost always have an escrow account, even when taxes and homeowners insurance might otherwise be waivable.

Higher-priced loans add a legal floor

Some first-lien loans are classed as higher-priced mortgage loans. Under Regulation Z section 1026.35, those loans on a principal dwelling must have escrow set up before closing. The CFPB compliance guide says it must stay for at least five years. After that, you may ask to cancel only if the balance is under 80% of original value and you are not delinquent. For condos and planned unit developments, taxes must be escrowed on these loans even if insurance is not.

What Happens at Closing?

At closing, you will pay an initial escrow deposit and begin paying a monthly escrow amount. The initial deposit covers prepaid taxes and insurance plus a starting cushion. It is part of your cash to close. It is not a fee. It is your own money, set aside to pay your own bills.

The initial analysis at closing must show the charges expected in the first 12 months and the cushion. Ask to see how the cushion was figured. Many borrowers assume it is a lender add-on. It is a federal maximum, and your mortgage document or state law may set it lower.

How the Cushion Works

The cushion cap is a ceiling, not a requirement. The servicer may hold up to two months of escrow payments. It may hold less, or none. The servicer also cannot “pre-accrue,” which means demanding deposits well ahead of when a bill is due.

Here is the practical picture, using no dollar figures. Say your tax and insurance bills total twelve units of cost across the year, so each month you pay one unit. The most the servicer may hold as cushion is two units. If the account is projected to dip below zero at its lowest point, the cushion keeps it at or above two units instead. That buffer is why your balance looks higher than your next bill.

The cushion is not yours to spend, and it is not a charge. It stays in the account, and anything above the target is subject to the surplus rules.

The Annual Analysis, Step by Step

Every year the servicer runs an analysis and sends an annual escrow statement. Here is the sequence.

1. Project the bills. The servicer lists the tax and insurance charges expected over the next 12 months and when each is due.

2. Build monthly balances. It runs the account month by month, using aggregate accounting.

3. Find the low point. It adds the allowed cushion on top of the lowest projected balance to set the target.

4. Compare. If the current balance is under the target, there is a shortage. If it is over, there is a surplus.

5. Reset the payment. The statement shows the new monthly escrow amount and how any shortage is to be paid.

A servicer may also redo the analysis mid-year if the actual bills will push the balance well off the original projection. After a servicing transfer, the new servicer uses the same procedures for any shortage, surplus or deficiency.

What drives the result is simple: how the real tax and insurance bills compare with last year’s estimate, the cushion held, and which allowed shortage option the servicer picks.

What Happens With a Shortage?

A shortage usually means your bills went up. It does not mean you missed a payment. The CFPB’s servicing FAQs set the options by size.

A 30-day demand is not allowed on the larger shortage. These options are exclusive, so a servicer cannot invent another one. You may still pay a shortage in a lump sum voluntarily, or at any pace that does not exceed the servicer’s requirement.

Why your payment can still rise after you cover it

Two things hit at once. The ongoing escrow amount goes up because the bills went up. The shortage catch-up is added on top for 12 or more months. Paying the shortage in a lump sum removes the catch-up piece. It does not lower the ongoing amount. Ask the servicer to show the two parts separately.

Shortage versus deficiency

A deficiency is a negative balance. It usually happens when the servicer advanced its own money to pay a bill on time. Regulation X gives it its own repayment rules in section 1024.17(f). Ask your servicer which one you have, because the labels are not interchangeable.

What Happens With a Surplus?

A surplus is cash above the target. The CFPB’s Regulation X summary says a surplus of $50 or more must be refunded after the analysis, for a borrower who is current on the loan, with timing governed by the servicer’s process and the rule’s requirements. Below $50, the servicer may refund it or credit it against next year’s payments.

One catch. A refund does not lower your monthly payment on its own. The new payment is recalculated from the new projections. You can get a check and still see the monthly amount move.

Where the General Rule Breaks

These are the edge cases that catch borrowers.

• A waiver is not permanent. Freddie Mac requires the waiver to let the servicer resume escrow if you stop paying the items. Fannie Mae’s servicing rules require a servicer to deny a post-closing waiver request in several cases. These include a prior loan modification, a failed earlier waiver, a delinquency in the prior 12 months, a 60-day-plus delinquency in the prior 24 months, or a balance at 80% or more of original appraised value.
• Lender policy can be tighter than the agency. A lender may refuse a waiver the agency would allow.
• Mortgage insurance escrow stays. You may waive taxes and insurance and still have an escrow account for mortgage insurance.
• Second homes and 2-4 unit homes. Freddie Mac encourages escrow on these. Occupancy also changes leverage: second homes go to 90% on a purchase, and two- to four-unit principal residences go to 95%.
• Unpaid special assessments. If one was open at closing, the payment may include accruals so the amount is ready when due.
• No escrow at all. The CFPB notes you then plan for large bills alone. Unpaid taxes can bring fines, a tax lien or foreclosure. A servicer may add an escrow, add the amounts to the loan balance, or buy force-placed insurance, which usually costs more than a policy you buy yourself.

Your Decision in Practice

Most buyers do not get to choose escrow on a high-leverage purchase. If your down payment is under 20%, mortgage insurance escrow is mandatory, and the lender will almost always escrow the rest too.

If you put more down and the lender allows a waiver, weigh it plainly. Without escrow you control the cash and carry the risk of a missed bill. Some borrowers keep escrow by choice because it spreads large bills into monthly pieces. The CFPB suggests considering a voluntary escrow even when the lender does not require one.

Practical checklist for your annual statement:

• Compare the projected bills to the bills you actually paid.
• Find the cushion and confirm it is no more than two months of escrow payments.
• Confirm the shortage option matches the size rules above.
• Check whether a surplus of $50 or more came as a refund.
• If something looks wrong, call the servicer first. Then send a written notice of error or information request, and complain to the CFPB if needed.

If you are buying a home and want to see whether a conventional loan fits your file, Lendmire can help you compare the options and what each one asks of the file.

For your own numbers, request a scenario review with Lendmire.

About Lendmire

Lendmire — NMLS# 2371349 — is a mortgage broker that arranges FHA, VA, conventional and jumbo home purchase and refinance financing in 16 states through wholesale lenders. Every option is subject to the lender’s guidelines and full underwriting. Scotsman Guide named Lendmire a Top Mortgage Workplace in both 2025 and 2026.

References

1. CFPB – Regulation X § 1024.17 Escrow accounts

2. Fannie Mae Selling Guide B2-1.5-04, Escrow Accounts

3. Regulation Z section 1026.35

4. CFPB – HPML Escrow Rule compliance guide

5. CFPB – Mortgage Servicing FAQs

6. CFPB – Regulation X summary (RESPA)

7. Fannie Mae Servicing Guide B-1-01

8. CFPB

9. CFPB